Washer-dryer combo displays F28 and may not run cycles.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Loose harness between main control and user interface, Corroded connectors, Failed main control board, Failed user interface board

Safety first: Disconnect power before opening the console.

Access controls: Remove the top or front console panel to access the main control board and user interface board.
Check connectors: Reseat all ribbon cables and harness connectors between the boards. Look for bent pins or corrosion.
Inspect for damage: Examine both boards for burnt components or moisture damage.
Isolate fault: If available, follow the service manual procedure to determine whether the UI or main control is at fault. Replace the defective board.

Professional Required 5/5

Main Control Board

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